Glassware forming machine



A ril 18, 1933. L. D. SOUBIER GLASVSWARE FORMING MACHINE Filed April 14,1950 10 Sheets-Sheet l A ril 18, 1933. D. SOUBIER GLASSWARE FORMINGMACHINE Filed April -14, 1930 10 Sheets-Sheet. 2

| D. SOUBIER GLASSWARE FORMING MACHINE April 18, 1933.

April 18, 1933. L. D. SOUBIER I GLASSWARE FORMING MACHINE Filed April14. 1950 10 Sheets-Sheet 4 April 18, 1933. D, SOUBIER 1,904,959,

GLASSWARE FORMING MACHINE I Filed April 14, 1930 10 sheets-sheets April18, 1933. SOUBlER 1,904,959

GLASSWARE FORMING MACHINE Filed April 14, 1930 10 Sheets-Sheet 6 April18, 1933. L. SOUBlER 1,904,959

GLAS SWARE FORMING MACHINE Filed April 14, 1930 l0 Sheets-Sheet 7 April18, 1933. L, D. SOUBIER 1,904,959

' GLAsswARE FORMING MACHINE Filed April 14, 1930 10 Sheets-Sheet 8 April18, 1933. 1.. D. SOUBIER GLASSWARE FORMING MACHINE Filed April 14, 193010 Sheets-Sheet 9 April 18, 1933.

L. D. SOUBIER GLASSWARE FORMING MACHINE Filed April 14, 1930 10Sheets-Sheet 1O Patented Apr. 18, 1933 UNITED STATES,

PATENT; OFFICE LEONARD D. SOUBIER, OF TOLEDO, OHIO, ASSIGNOR TOOWENS-ILLINOIS GLASS COMPANY, A CORPORATION OF OHIO GLASSWARE roimmemcmmApplication filed April 14,

The present invention relates to improve ments in glassware formingmachines andable shaping means. Where the neck por-" tion or finishcontains considerable glass, 1t

has a strong tendency to lose its shape because of its plastic conditionand the fact that the neck mold has been removed, therea by leaving thisportion of the article un- 2b supporl'ed. Articles of glassware producedunder these conditions quite frequently have distorted finishes or neckportions and accordingly must be discarded.

Another objection in connection with machines of the above" characterresides in the excessive and fequently one-sided chilling of thepartially formed articles of glassware, due to exposure thereofto thechilling infiuence of the outside air, from the time the blank moldsopen until the finishing molds close. The excessive chilling which takesplace during this time interval is often and in fact generally such thatthe surface glass is unevenly chilled, causing corresponding unevennessin the wall thickness of the articles of glassware, as finally shaped.

An object ofthe present invention is the provision in a machine of theabove character, of means whereby the neck portions 40 or finishes ofthe articles of glassware are.

positively and completely supported from the time the glass is gatheredfrom the supply body until it has been given its final shape in thefinishing molds. To this end, 4 there is provided means whereby the neckmolds which constitute portions of the blank forming units aretransferred, with and while supporting the blanks or partially formedarticles of glassware, to the finishing molds, said neck molds beingretained in sup 9 formed articles or blanks.

1930. Serial No. 444,163.

porting engagement with the neck portions or finishes of the articlesduring the entire formation of the articles including thefinal blowingor expanding operation. Thus, the glass, being chilled bycontact withtheneck molds, is firmly and permanently set prior to withdrawal of theneck molds out of contact .with the glass.

Another object is the provision of means to avoid uneven chilling of thepartially formed articles of glassware, referred to heretofore. Inaccomplishing this, I have provided reheating cups which are arrangedfor movement with the neck molds during substantially the entire blanktransfer operation, said cups cooperating with the neck molds incompletely-enclosing the partially These cups are of such formation thatthey not only prevent contact between the outside air and blanks,

but in addition reflect heat radiated from the blanks so that thesurfaces of the latter are to a greater or less degree remelt-ed. Thisgreatly facilitates final uniform expansion of the blanks,

A still further object is the provision of novel means for controllingthe exhaust of air from the blank and neck molds during the moldcharging operation. To this end there is provided a gathering head whichcarries a plunger adapted for cooperation with the neck molds in formingthe neck or finish of the articles of glassware, said plunger also beingadapted for vertical reciprocation whereby it alternately opens andcloses ports through which the 'air is exhausted from the mold cavities.

Other objects will be in part apparent and in part pointed outhereinafter.

In the drawings-- Fig. 1 is a plan view of the complete machineembodying my invention. Fig. 1A is an elevation'illustrating the drivingconnection between the motor and parts driven thereby.

Fig. 2 is a fragmentary side elevation of the machine.

Fig. 3 is a fragmentary side elevation taken from the side opposite thatshown in'Fig. 2.

Fig.v 4b is a vertical sectional elevational view of one of the blankmold groups in charge gathering position.

Fig. 5 is a fragmentary front elevation showing one of the blank moldgroups.

Fig. 6 is a fragmentary plan view of a blank mold group.

Fig. 7 is a sectional view taken substantially along the line VIIVII ofFig. 4.

. Figs. 8 and 9 are fragmentary plan views with parts in section showingthe cut-off knife in its two extreme positions.

Fig. 10 is a sectional elevation taken substantially along the line XXof Fig. 4.

Fig. 11 is a detail plan view illustrating the movements of the neckmold carriers incident to their resuming operative positions relative tocorresponding body blank molds.

Fig. 12 is a rear elevation of one of the neck mold carriers showing itsconnection to the endless chains.

Fig. 13 is a vertical sectional elevation taken substantially along theline XIIIXIII of Fig. 12, showing in addition, supporting rails ortracks for-the carriers.

Fig. 14 is a fragmentary plan view of one of the neck mold carriers.

ig. 15 is a fragmentary plan view of one of the reheating cups and itssupporting means.

Fig. 16 is a side elevation of the parts shown in Fig. 15, portionsbeing broken away to disclose the cup construction.

Fig. 17 is a transverse vertical sectional View with parts in elevationshowing the manner in which the neck molds and reheating cups cooperateto completely enclose the plartlially formed articles of glassware, or

an (s.

' Fig. 18 is a detail sectional elevation showing the relative positionsof the plunger, neck mold and finishing mold just prior to final shapingof the article in said finishing mold.

7 side by side and rotating continuously about vertical axes, and aseries of neck molds arranged for transfer from one carriage to theother for alternate cooperation with body blank and finishing molds andto support partially formed articles of glassware while beingtransferred from one mold to another. The blank mold carriage or tablesupports an annular series of partible body blank molds. Although othertypes of molds may be employed, the form embodied in the present machineis intended to be filled with molten glass, by suction. These molds movecontinuously in a closed path and by such movement are brought insuccession to a mold charging station, where in cooperation withpartible neck molds, they gather mold charges from .a supply body ofmolten glass and then transform them into blanks which are llaterexpanded to final shape in finishing mol s.

The finishing mold carriage supports an annular series of partiblefinishing molds to to the application of air under pressure in-'ternally of the blanks, give final shape to the articles of glasswarebeing produced and finally by opening at, or a short distance in advanceof a discharging station, eject the finished articles of glassware. 1

Transfer of the partially formed articles or blanks from the blank moldsto the finishing molds, in the present machine (Figs. 1 and 3) involvesmovement of the partible neck molds, while supporting the bare blanks,

from one mold carriage to the other. Thus, the neck molds cooperate withthe blank molds in initially forming the articles, support the partiallyformed articles while they are transferred to the finishin molds and inaddition cooperate with the nishing molds in finally shaping thearticles being produced. Distortion of the neck portion or finishes ofthe articles is avoided by retaining the neck molds in contact with saidportions, as stated. These neck molds, after having cooperated with thefinishing molds and prior to the time the finishing molds reach thearticle-dischargin g station, open and move laterally away from thefinishing molds for return to a position at which. they again cooperatewith the body blank molds in gathering'mold charges and transformingthem into blanks, as stated heretofore.

Reheating of the partially formed articles of glassware, or blanks,while moving 'between the blank mold opening and finishing mold closingstations is provided for herein, so that said blanks assume such aplastic state that immediately upon being enclosed in the finishingmolds, they may be expanded to their final shapes. For this purpose, thepresent machine is provided with a series of reheating cups which aremoved in synchronism with the molds and thereby brought into positionfor cooperation with the neck molds to completely enclose the blanksduring substantially the entire transfer period. Thus, excessive andonesided chilling of the blanks is avoided and they are in fact placed'23 from the finishing mold' carriage 24 for in the finishing mold befoe final shaping or expansion is started. Such reheating of the blanks inthe cups is due to reflection by the cups of heat radiated by the blanksor parisons while enclosed in said cups.

More specifically, the machine comprises blank and finishing moldcarriages 23 and 24 respectively, mounted on a base 20 which issupported on wheels 21 so that the entire machine may be moved into andout of operative position relative to the furnace extension 22 or troughwhich contains the supply body of molten glass from which the moldcharges are obtained. The blank mold carria e 23 or table is mounted onone end of the ase 20. The finishing mold carriage 24 or table is spacedhorizontally from the blank mold carriage and mounted on the other endof said base. These carriages are rotated continuously about theirindividual vertical axes past the several stations heretofore referredto, by means including a motor 25 mounted on the lower side of the base20. This motor operates through gears 26 and a shaft 27 (Fig. 2) tocontinuously rotate a pinion 28, the latter running in mesh with a ringear 29 on the finishing mold carriage 24. otary motion is transmitted tothe blank mold carriage through a pair of vertically spaced endlesssprocket chains 30 (Figs. land 2) in a manner to be now described. Thesechains 30 (Figs 1, 2, 3, 4, and 19) are .trained over a pair ofsprockets 31 on the upper and central rotary spiders 32 and 33respectively, of the blank mold carriage 23 and a pair of sprockets 34on the upper part of the finishing mold carriage 24. Groups of 'neck Imolds and elements associated therewith,

apart from the body blank and finishing molds, are mounted on saidchains 30, as will be described in detail hereinafter. The cen: tralcolumns 35 and 36 of the blank and finishing mold carriagesrespectively, (Figs 1, 2, 4, and 19) are rigidly connected together by apair of guide-rails 37 secured at their ends to substantiallysemi-circular guide rails 38, the latter carried b arms 39 suitablyfixed'to and extending ra ially outward from the central columns of themold carriages. The function of theserails is to assist in supportingthe neck mold groups in upright positions and in part control the pathof movement thereof.

The blank mold carriage 23 or table (Figs. 1 and 4) is rotatablysupported on the stationary central column 35 at one end of the base 20,said carriage including upper, lower and central spiders, 32, 40, and 33respectively, rigidly connected together and adapted to rotate as a unitabout said column.

'The central column 35 also supports a series of vertically spacedstationary cams adapted to actuate mechanisms for opening and closing,raising and lowering the blank finishing mold carriages.

forming molds, and performing various other operations, as will becomeapparent.herein after. The upper and central spiders at theirperipheries support the pair of sprockets 31 referred to heretofore asproviding partvof the driving connection between the blank and The upperspider 32 also supports part of the means including valves 138 and'150(Fig. 4) for controlling the application of vacuum and air underpressure to the molds. The central spider 33 supports body blank molds41 and mechanism for raising and'lowering them, as well as partsassociated with.said molds during the charge gathering and blank formingoperations. The charge severing mechanisms by which mold charges areseparated from the supply body of molten glass are individual to thebody blank mplds and mounted on the lower spider for rotation with themold carriage.

The .body blank molds 4'1 (Figs. 1, 4., and 5) are arranged in anannular series about the p periphery of the central spider 33 upon whichthey are mounted for continuous rotation about the central column 35. Bysuchmovement these molds are brought in succession, first, to a chargegathering station over the furnace extension 22 or gathering trough andthen to a station A (Figs. land 3) where they open, rele'asingpartiallyformed articles of glassware or blanks to the complete control ofpartible neck molds by which they are transferred'to finishing molds 155for final shaping. Each body blank mold 41 consists of two sectionssupported on arms 42 (Figs. 2 and 4) which are pivoted to a verticalhinge pin 43 carried by the central spider 33 and adapted to oscillateabout said pin for the purpose of alternately opening and closing themold. Mechanism for oscillating each pair of arms 42 for the purposestated, includes a slide 44 (Figs. 4- and 7) the slide. The slide 44 is.yieldingly connected to the arms 42 by a spring device .48 which formspart of a connection including links 49 and a slotted bar 50 whichstraddles thelower end of the hinge pin 43. The hinge pin 43 (Figs. 1and 4) is slidingly supported inv a vertical bearing 51 arrangedsubstantially at the periphery of the central spider, 33 of the blankmold carriage-23.-

The body blank molds 41 are. alternately raised and lowered at, and inproximity to, the charge gathering station so that the lower ends of themolds clear the rim of the furnace extension 22 prior to and afterdipping therewith during the charge gathering and blank formingoperations, as will be described hereinafter, are obtained byreciprocating the hinge pins 43 at regular time intervals duringrotation of the blank mold carriage.

52 (Fig. 4) secured to the hinge pin 43 at a point above the bearing 51.This collar 52 and the bearing 51 are pivotally connected by slide 56and runs in a stationary cam 59' mounted on the central column 35,between the upper and central spiders, said cam (Fig.

6) being so shaped that at regular time inter-' vals it reciprocates theslide 56 and through said links and arms, causes alternate up and downmovementv of the collar 52 and corresponding movement of the hinge pin43 and body blank molds 41 connected thereto.

Mechanism for severing the gathered mold charges from the supply body ofmolten glass inthe furnace extension 22 is provided for each body blankmold. These mechanisms (Figs. 4', 5, 8, and 9) are carried by the lowerspider of the rotary mold carriage 23 and each includes a knife 60 fixedto one end of a knife arm 61 connected through a pivot pin 71 to a bellcrank lever 62. This lever 62 is fulcrumed upon a vertical hinge pin 63on the upper side of the lower spider 40 and is connected through a link64 to a slide 65, the

,latter mounted in slideways 66 extending radially of the mold carriage.A cam roll 67 on said slide runs in a stationary cam 68 (Figs. 4, 8, and9) which is shaped to reciprocate the slide 65 at regular time intervalsin synchronism with the movements of the corresponding body blank mold41 so that the knife is swung across the lower end of the body blankmold periodically. By pivotally connecting the knife arm 61 and bellcrank lever 62 and providing a link connection 69 between a. fixed pin70 on the lower spider 40 and a short finger 7O or lever on the arm 61,rapid cutting movement of the knife 60 is readily obtained.

The series of partible neck molds referred to heretofore (Figs. 1, 2,3,4, and 5), in addition to cooperating with the body blank molds 41 ingathering mold charges and transforming them into blanks or parisons,function as carriers or transfer devices for transferring partiallyformed articles of glassware or blanks, from the body blank molds 41 tothe finishing molds 155 on the mold carriage 24. The neck molds 75register with the body blank molds 41 prior to, during, and for a shorttime following gathering of The mechanism for moving each blank moldgroup vertically includes a collar mold charges and then whilesupporting bare blanks, move away from the blank mold carriage 23 ortable to the finishing mold carriage 24 where they register with openfinishing molds preparatory to closing of the latter about the blanks.Each neck mold 75 (Figsf lower end 81 or wedge adapted for contact withadjacent inner faces of the neck mold arms 76 in proximity to the hingepin 77. Downward projection of this pin 80 spreads the neck mold arms 76and thereby opens the neck mold 75. The spring 79 automatically closesthe neck mold immediately upon retraction of the pinto its uppermostposition.

.This pin 80 is normally and yieldingly held in its uppermost position,out of contact with the neck mold arms 76 by a coil spring 82 (Fig. 4)which encircles said pin. A push rod 83 is connected at one end to thepin 80 and at its other end to. one arm of a bell crank lever 84, thelatter pivoted to a horizontal hinge pin 85 and adapted to be rocked atregular time intervals by means of a stationary cam 86 (Figs. 1 and 2).This cam periodically forces the wedge 81 downwardly between the neckmold arms 76, thereby opening the neck mold at station D (Fig. 1) justbefore the neck mold and finishing mold 155 reach the point at whichtheir paths of travel diverge.

The dipping frames 78, or neck mold carriers, which carry the neckniolds 75, plunger mechanism, and vacuum and air pressure controldevices referred to hereafter, are supported on the sprocket chains 30through which power is transmitted from the finishing mold carriage 24to the blank mold carriage 23. Each dipping frame 78 is reciprocatedvertically simultaneously with corresponding movement of cooperatingbody blank and neck molds during the mold charging operations. Suchmovement alternately makes and breaks "contact between the blank moldand glass. This movement is obtained by providing a vertically extendingslide 87.

at the inner end of the horizontal base portion 88, said slide mountedinpairs of vertical guide bars 89 or slideways. guide bars are arranged inpairs at uniformly spaced points along the chains 30 and are suitablyconnected to the latter, such connection in the present embodiment ofthe machine comprising pivot pins 90 (see Figs. 12 and 13) extendingvertically through the chains 30 and through lugs at the ends of saidbars; These guide bars 89 and the sprocket chains 30 are supportedagainst sagging, or

These otherwise moving out of the desired path of travel, by meansincluding rollers 91 at the upper ends of the guide bars and rollers 92at the lower ends thereof. The upper rollers 91. at times ride upon acircular track 93 (Fig. 4) extending about the margin of the upperspider 32 and at other times upon tracks 94 (Figs. 2, 3, and 13) whichextend between the blank and finishing mold carriages in the plane ofsaid circular track 93. These tracks 94 are disposed just below theguide rails 37 (Figs. 2 and 13) and'p-referably are supported thereby.The lower rollers 92 (Fig. '4) at times contact with a circular track 95provided at the periphery of the central spider 33, and at other timeswith tracks 96 extending between the blank and finishing mold carriages,in a plane below and in vertical alignment with said tracks 94. Theserollers 91 and 92 hold the guide bars -89 and chains against sagging.Tilting of the guide'bars andelements thereon is prevented by means of arollerv97 (Flgs. 4, 6, 12, 13, and 14) moun-ted on a hinge pin 98connecting adjacent ends of a pair of bell crank levers 99, the latterfulcrumed upon hinge pins 100 rising from a cross bar 101 whlch connectsthe upper ends of the guide bars 89. The free ends 102 of the bell cranklevers 99v are disposed b etween and cushionedby pairs of coilsprings103. Thus, connection between 'the upper ends of the gulde bars 89 andthe-guide rails 37 and 38 is sufliciently flexible to insure againstbreakage under reasonably abnormal "strains, yet sufficiently rigid toreliably'hold the gu de bars, dlppmg frame, etc. in upright pos1t1ons.'V

Raising and lowering of the dlpping slide 87, simultaneously'wi'thsimilar movement of the neck and blank molds, is obtained by providing aroller 104 on the inner face of the slide 87, said roller adapted attimes to occupy a position between vertlcally spaced arms of a yoke 105formedon the outer side of the collar 52. This collar, as statedheretofore, is secured to the hinge pin 43 and moves up and down withthe blank and neck molds at and in proximity to the charge gatheringstation. While traveling between the blank and finishing mold tables,the dipping frames 78 are held against downward movement by a track 106upon which the rollers 104 ride. These tracks 106 (Fig. 11) havetheirends tapered in such fashion that at a given point the rollers 104are momentarilysupported by both the tracks and the lower arms of theyokes 105. Thus the-dipping frames may be easily transferred from thetracks 106 to the blank mold carriage.

Plunger mechanism and vacuum and air pressure control devices individualto the neck molds are carried bvthe dipping frames 78 and aretransferred with the neck molds from one mold carriage to the otherprises a plunger 110 (Figs. 4 and 19) which cooperates with thecorresponding neck mold in forming the finish or sealing end and neck ofthe article and in addition forms an initial blow opening in the blank.The plunger 110 is separably connected to a holder 111 which in turn ismounted in a piston 112 on the lower end of a rod 113. This rod 113extends vertically upward througha guide 114 on the head 115 of thecylinder 116 which encloses the piston 112 and is connected throughlinks 117 to a bell crank lever 118', the latter pivoted to the hingepin 85. A cam roll 119 on one arm of the bell crank lever 118 is adaptedto engage a cam 120' (Figs. 1 and 2) at regular time intervals, said cambeing so located and shaped that it rocks the bell crank lever 118 andthereby projects the plunger 110 into the neck mold 75, just prior toarrival at the mold charging station over the furnace extensionformed. Acoil spring 126 normally holds the sleeve 121 in its. uppermost positionwithin the cylinder 116- soathat, the ports in said sleeve and the skirt122 are out of register with each other. A vacuum chamber 124 in thebase portion 88 of the dipping frame 78 communicates, by way of ports125'and the other ports 123, when the latter ports 123 are in registerwith each other and with the ports 125, with the interior of the skirton said piston, so that vacuum is applied to the blank and neck moldcavities. Incidentally, this application of vacuum efi'ectively holdsthe piston 112 inits lowermostposition so that the plunger 110 is firmlyheld in position to cooperate with the neck mold 75 in forming theupperends of the blanks or. parisons. Also vacuum maintains the piston112 in position to insure register of the vacuum ports 123 and 125 whennecessary. (Fig. 4) encircling the upper p01 ion of the sleeve 121between a radial flange on the upper end of the latter and an upwardlyfacing shoulder on the wall of the cylinder, operates to raise saidsleeve-relative to the plunger 110 when application of vacuum is shutofi", thereby breaking registration of the ports 123 in the sleeve 121and skirt 122.

Vacuum is applied to the chamber 124 (Figs. 1 and 4) in each dippingframe 78 by way of an upwardly extending telescopic pipe 130'whose lowersection-is attached to the base 88 and opens into the vacuum chamher 124in the latter, while the upper section The coil spring 126 I of saidpipe is mounted in a hanger 131 on one of the guide bars 89 for thedipping with the open outer end of a vacuum pipe 132 which is suitablysupported on the'upper spider 32 of the blank mold carriage; The

vacuum pipe 132 (Fig. 6) extends radially inward to a valve box 133(Figs. 4 and 6) the chamber 141 in the'base 88 by'way of a telescopicpipe. 142 (Figs. 3,'4, 5,' and 6), the lower section of the pipecommunicating with Q contactwith an internal seat provided at thespider- 156 Movement oftlie slijde"162 lis carried by said upper spiderand opening into a circular vacuumjchainber 134 formed in said spider.-A series of these vacuum pipes 132 is provided, said pipes beingindividual 5 to the body blank molds 41. .The vacuum chamber 134 opensinto a stationary vacuum chamber 135 in a; drum 136 on the centralcolumn35 and through a;pipe 137'leadsto a suitable source of vacuum supply. 'Acam 133 is at regular time intervals opened by means of a'stationary cam139 (Fig. 4)'s0 that the 'air may be exhausted from the body blank andneck mold cavities for the purpose of delivering molten glass into saidcavities. Operative connection between the vacuum -pipes 130 carriedbythe neck mold groups and the vacuum pipes 132 on the blank moldcarriage 23. is obtained byforming an inclined continuous sealingsurface within the upper outer end of the pipe 132, upon which sealingsurface, the tapered inner end 140 'oflthe pipe 130 seats at regulartime interva s. V Y Upon completing the mold charging operation,application of vacuum is discontinued and the spring 126 expands,resulting in lifting the plunger 110 out of the neck mold and upwardmovement ofthe sleeve 121 and pis ton 112 to a degree suflicient toprovide communication between the mold cavities and the chamber 141 for'air under pressure.- This operation may take place while'the cut-oflknife is in. position to close the bottom of the corresponding bodyblank mold 41 so that air under pressure which at this time isintroduced into theblank and neck molds compacts the glass in the neckand body blank molds and against the cut-off knife. Air underpressurefor this purpose is supplied to the chamber 141 while the upper sectionis 55 formed with an inwardly extending branch mounted in a pipehanger143; the latter car ried by one of the-guide bars 89 for the dip pingframe. 78,- The'inner'end of this pipe" 142 is'taperedand' adaptedtohave sealing open outer end of-an air pressure'supply pipe 144,suita-blymountedupon the upper spider,

V 32. This pipe. 144 extends radially inward to' a valve. box 145carried by the spider 32,

; the interior of .said valve' box communicatcontrolled valve 138carried by the valve box ing with a chamber 146 (Fig. 4).which in turnopensinto a supply chamber 147 in the drum 136. Air under pressure isconstantly supplied to these fchambers. 146 and 147 through a supplypipe 148 which extends into the central column 35 and thence to anydesired source ofsupply of air, under pressure. A series of these airpipes 144 is mounted on the upper spider 32, said pipes beingindividual-tothe' body. blank molds. Positive control of theapplicationof. air under pressure to each of 'said'molds is obtained-bythe valve 150 carried by the valve box 145 and a stationary cam 151which is so positioned that it opens the valve 150 immediately, or atany predetermined time, following termination of the application ofvacuum to said molds.

Upon completion of the-blank forming operation, the body blank molds 41open one at a time as they approach the station A, (Fig. 1), and thecorresponding neck molds and other elements supported by the dippingframes 78 are carried in a straight line away from the blank moldcarriage 23 to station B where they move'into position over and inregister with finishing molds 155. Just "after the neckmoldsleave" theblank mold carriage, they are lowered. a short distance by anangular'portion 255 in the track 106.

(Fig. 3) so that the lower surfaces of the neck molds are insubstantially. the same plane'with the upper surfaces ofthe finishing :ad ith which said neck .molds are' a o to'register. Y

The finishing molds 155 and bottom plates 155 individual theretojarearranged in an annular series upon the lower spider 156 rotatablysupported on the 'stationary central column 36 andso adaptedt'obebrought in succession to a series of stations where the molds areopened, the blanks expanded-and the finished articles ejected from themolds. A rotary spider 157' mounted on the upper portion of thestationary column 36 (F ig. 19) is rigidly connectedthrough arms 158 tothe lower spider156and consequently rotates with the latter. Thebo'ttomplates are pivoted upon horizontal hinge pins :155 and by meansof bell crank levers 155and a'cam 155 are alternately raised and'loweredrelative to themolds. I

. A ar pe' j g a d elo i g' n-fin- -'1 sh1ng m oldisobtainedby aconstruction substantiallyas' follows. The niold sections.-

are pivoted to a {vertical hingepin; 159 through mold ar'm's160, the;latter being, connected'through links 161-120 a slide 162 which isadapted to'be' recip l atj ra ially oflthe fin shing mold carriage'jnaj' slideway 1 63,

supported on the-upper side of "thelower obtainedby a"'station'arycontinuous earn The neck and finishing molds 7 and 155 respectively(Figs. 1 and 19) are positively held against premature opening by a pairof clamps in the form of arcuate fingers 166 car ried by arms 167 whichare mounted on the finishing mold hinge pin 159. These arms 167 areconnected through links 168 to a slide 169 mounted in a slideway 170 onthe lower side of the upper spider 157, said slide 169 adapted to bereciprocated radially of the finishing mold carriage at regular timeintervals by a stationary cam 171 connected to the slide 169 through acam roll 172. This cam 171 is so shaped that it reciprocates the slide169 at regular time intervals and causes the arms 166 to grip the neckand finishing mold sections substantially at station B (Fig. 1) andrelease them just in advance of station D. It is evident that thesecurved arms 166,.to some extent, serve as sealing means, preventing lossof air under pressure, in addition to locking the molds againstpremature opening as above described.

The finishing molds 155 close about the partially formed articles ofglassware or blanks substantially at station B (Fig. 1) preparatory tofinal expansion of said partially formed articles or blanks. Air underpressure is directed into the initial blow openings in the blanks by wayof the neck mold cavities, from the chambers 141 in the dipping frames78. Air is supplied to the chambers 141 during the final blowingoperation through pipes 175 arranged in an annular series upon the upperspider 157 of the finishing mold carriage. These pipes, which areindividual to the finishing molds 155, are adapted to be separablyconnected to the telescopic pipes 142 in the same manner that the latterpipes are connected to the air pressure supply pipes on the blank moldcarr age. The inner ends of the pipes 175 on the finishing mold carriageare connected to valve boxes 176, the interior of which communicate withchambers 177, the latter being in con- 'stant communication with acircular chamher 178 encircling the central column 36. This chamber 17 8is connected through a. supply pipe 179 to any suitable source of supplyof air under pressure (not shown). A cam controlled valve180 is providedfor each of the supply pipes 175 and is adapted to be opened at regulartime intervals by a stationary cam 181.

As the dipping frames 78, carrying the neck molds 75; plunger mechanismand parts heretofore described, pass the finishing mold closing stationB (Fig. 1.) the upper and lower supporting rollers 91 and 92respectively (Fig. 19) move onto continuous upper and lower tracks and186 respectively, on the upper spider 157 of the finishing moldcarriage24. The roller 104 carried by the slide 87 movesoff of thesupporting rail or track 106 extending between the mold carriages,

onto a track 187 (Fig. 19) which extends entirely around said spider157. The roller 97 (Figs. 4 and 19) at all times runs in the tracks 37and 38 which together form a continuous guideway therefor. Aftercompletion of the final blow, and prior to reaching station D,

the clamping arms 166 and corresponding finishing mold 155 and neck mold75 are opened and the neck mold 75 is lifted a short distance riding upthe in-- the neck molds, and thence to the I In the present machinethere is provided means for enclosing the parisons during their travelbetween the body blank mold opening station A and the finishing moldclosing stat-ion B, thus protecting them from exposure to the outsideair to an exte-ntto cause excessive or one-sided chilling. Suchenclosing means also provides for reheating the blanks to such an extentthat they may be expanded immediately after they have been completelyenclosed in the finishing molds.

Thus, the customary re-heating of the blanks v in the finishing molds isunnecessary. This is accomplished by mechanism including a series ofre-heating cups 190 (Figs. 1, 3, 15, 16, and 17) supported at uniformlyspaced points on an endless chain 191. This chain is arranged betweenthe stations A and B (Fig. 1) and runs reaches'of the chains 30 and inthe same direction as the latter. The chain 191 is trained over a pairof horizontally spacedrsprockets 192 which are carried by shafts 193suitably journaled in bearings at the outer ends of supporting arms 194or brackets carried by the base 20. This sprocket chain 191 and theparallel with the adjacent reheating cups supported thereon, areoperated in synchronism with movements of the molds, through theprovision of, driving means (Fig. 1A) consisting of shafts 195 (Figs. 1and 3) which are driven continuously by the ring gear 29. 'Gears 196provide con-.

nection between these shafts and one of the shafts 193 carrying thesprocket Whcels192. The reheating cups are connected through 1 arms 197to hinge pins 198 which may form part of the sprocket chain 191. Thesehinge pins 198 carry rocker arms 199. Cam rolls 200 on these arms 199are adapted to ride upon the cam or track 201 at times. said track soarranged and shaped that it swings the cups" upwardly; completelyenclosing the partially formed articles orblanks approximately atstation A. The upper ends of these cups chamber in which suitableinsulating material 204 is placed. Preferably, the inner wall 202 isformed of somesuitable bright metal which will reflect the heat radiatedby the partially formed articles or blanks and as a result reheat andsoften the surface of the blanks during transfer from the body blankmolds 41 to the finishing molds 155. Thus, these cups have a two-foldpurpose, in that in the first place, they prevent contact of the blankwith the outside air to any great extent and in the second place operateas blank reheating devices, thereby avoiding the necessity for reheatingsaid blanks after they have been enclosed in the finishing molds.

In operation, the motor 25, through the gears and shafts referred toheretofore, imparts continuous rotary movement to the finishing moldcarriage 24 and through the sprockets 34 and 31 and sprocket chains 30constantly rotates the blank mold carriage 23. The dipping frames 78carrying the neck molds and parts described heretofore, movecontinuously in synchronism with the body blank and finishing molds 41and 155 respectively, and the reheatingpups 190.; At the mold chargingstation over the furnace ex-- tension 22 (Fig. 4) the dip slide 56 isactuated to lower the dipping frame 78 so that the lower end of the bodyblank mold 41 contacts with the surface of the molten glass in thefurnace extension 22. The vacuum control valve 138 (Figs.- 4 and 6) isnow opened and air is exhausted from the blank and neck mold cavities,and the latter filled with molten glass. The dip slide 56 is now movedin a reverse direction, to the other movement, raising the dipping frameand consequently the body blank mold. Imme- 4 plunger 110 and sleeve 121lifted. This lat-v diately, the cutoff knife 60 is swung across thelower end of the body blank mold, severmg the excess glass from thegathered mold charge and closing the bottom of said mold.

The vacuum valve is now closed and the terpperation is due to expansionof the spring, 126 immediately upon closing of the vacuum valve 138,such expansion of the spring resulting in upward movement of the sleeve121 so that the air pressure chamber 141 communicates directly with theneck mold cavity. Immediately, the air pressure control valve 150 (Figs.4 and 6) is opened so that air under pressure is supplied to the upperend of the gathered mold charge and compacts the glass against the knife60 and walls of the mold cavities. During rail for said roller, thedipping frame is lowered so that the lower side of the neck mold is inthesame plane with the upper surface f the finishing molds.Simultaneously with lowering of said dipping frame 78, and therewith thecorresponding neck mold 75, one of the reheating cups 190 (Fig. 3) movesupwardly around the blank and into sealing contact with the lowersurface of the neck mold. This position of the reheating cup ismaintained until the cam roll 200 reaches the left hand end of the track201 (Fig. 3) where the cup of its own weight drops away from the blank.Continued movement of the neck mold carries the blank to the station Bwhere it assumes a position over and in register with the bottom plate155 of one of the finishing molds 155. Immediately, the finishing moldslide 162 operates to close the finishing mold about the blank andbottom plate. This operation is followed by movement of the clampingfingers or arms 166, (Fig. 19) into position to'positively hold thefinishing and neck molds against premature opening and in addition tofunction to some extent as a sealing ring as stated heretofore.Operative positioning of the clamping arms 166 is followed immediatelyby opening the-valve 180 (Fig. 19) whereby air under pressure isadmitted to the neck mold cavity and thence to the initial blow openingin the blank for the purpose of expanding the latter against the wallsof the finishing mold cavity. This application of air under pressure maybe maintained until just prior to the time the finishing mold reachesthe station D where the neck mold 75 opens and leaves the circular pathof travel of the finishing molds, preparatory to its return to the blankmold carriage 23 for cooperation with another bodv blank mold in forminganother blank in the manner described above. The arms 166 open prior toreaching the station D. At the station D (Figs. 1 and 2), the neck mold75 is completely opened and the dipping carriages, partible body blankmolds on the blank mold carriage, partible finishing molds on thefinishing mold carriage, an endless carrier encircling said carriagesandso connected thereto as to be constantly moved by rotation of saidcarriages, and a series of neck molds mounted on said carrier andadapted to be brought by movement of the latter into register with theblank and finishing molds in alternation.

2. In a glassware forming machine, blank and finishing mold carriagesarranged side by side and rotatable continuously about differentvertical axes, means for rotating said carriages, partible body blankmolds on the blank mold carriage, partible finishing molds on thefinishing mold carriage, an endless carrier encircling said carriagesand so c0nnected thereto as to be constantly moved by rotation of saidcarriages, a series of neck molds mounted on said carrier and adapted tobe brought by ,movement of the latter into register with the blank andfinishing molds in alternation, means for forming blanks in theyregistered body blank and neck molds, means for opening the blank moldsat predetermined station leaving the blanks suspended bare from theneckmolds, and reheating cups adapted to cooperate with the register withone another.

neck molds in completely enclosing the blanks during movement of thelatter to the finishing molds.

3. In a glassware forming machine, the combination of an annular seriesof partible body blank molds, an annular series of partible finishinmolds, said series of molds arranged side y side and rotating aboutdifierent vertical axes, means for imparting continuous rotary movementto the molds, an endless carrier encirclingthe series of body blank andfinishin molds and providing driving connectiont erebetween, a series ofpartible neck molds mounted for vertical up and down movement on saidcarrier, said neck molds arranged to register with the blank andfinishing molds in alternation, and means for alternately raising andlowering the blank and neck molds at predetermined points while in 4. Ina glassware forming machine, the combination of a body blank mold, afinishing mold spaced horizontally from the body blank mold, means forrotating said molds in horizontally separated closed horizontal paths, aseries of neck molds, means for causmg the neck molds to travel in aclosed path surrounding said mold paths and causing the combination of apartible body blank mold,

a partible finishing mold, means for continuously rotating said molds inthe same direction in horizontally separated closed horizontal paths, aseries of partible neck molds, means for causing the neck molds totravel in a closed path surrounding the said mold paths and forpositioningthe neck molds in succession' over and in register with thebody blank mold and the finishing mold in alternation, means for forminga blank in body blank and neck mold while they are in register with eachother, means whereby the neck mold transfers the blank to the finishingmold, and means for expanding the blank to its final shape in thefinishing mold while the latter is in register with a neck mold.

6. In a glassware forming machine, the

combination of an annular series of body for transferring the neck moldsfrom positions over and in register with the body blank molds tocorresponding positions relative to the finishing molds to therebytransfer blanks from the body blank= molds to the finishing molds, meansfor forming blanks in the body blank and neck molds, and means forexpanding the blanks to their final shapes in the finishing molds.

7 In a glassware forming machine, the

combination of an annular series of blank forming units, an annularseries of finishing mold units spaced horizontally from the blankforming units, means for moving said blank forming and finishing moldunits about separate vertical axes, and ,in separate closed paths spacedapart, means for forming blanks in the blank forming units, means formoving the blanks from one to the other of said paths for transferringtheblanks to the fin ishing mold units, means for expanding the blanksin the finishing mold units, and means for enclosing the blanks andtraveling therewith during at least a major portion, of

their said movement from one to the other of said paths during thetransfer period.

with the body blank and finishing molds in alternation.

9. In a glassware forming machine, the combination of a blank moldcarriage, an annular series of partible body blank molds thereon, afinishing mold carriage, a series of partible finishing molds thereon,means for rotating said carriages in the same direction about differentvertical axes, an endless chain providing driving connection between thetwo carriages, a series of neck molds carried by the chain and adaptedto register with the body blank and finishing molds in alternation,means for forming blanks in the body a blank and neck molds while theyare in register with each other, and means for expanding the blanks totheir final shape in the finishing molds while the latter are inregister with the neck molds.

10, In .a glassware forming machine, the combination of a blank moldcarriage and a finishing mold carriage arranged side by side androtatable about different vertical axes,

a. series of suction body blank molds on the blank mold carriage, aseries of partible finishing molds on the finishing mold carriage, meansfor rotating the mold carriages in synchronism including an endlesschain extending about the carriages and imparting movement from onecarriage to the other, a series of neck molds supported on the endlesschain at uniformly spaced points, means for causing register ofthe neckand body blank molds, means for alternately raising and lowering thebody blank molds, means whereby corresponding movement is imparted tothe neck molds while in register with the body blank molds, means forforming blanks in the registered body blank. and neck molds, means foropening the body blank molds at a redetermine point in their travelleaving t e blanks suspended bare from the neck molds, said neck moldsadapted to transfer the blanks to the finishing molds due to movement ofsaid neck molds with the chain, means for closing the finishing moldsabout the blanks, and means for expanding the blanks in said finishingmolds. I

11. In a glassware forming machine, the combination of a blank moldcarriage and a finishing mold carriage arranged side by side androtatable about separate vertical axes, means for continuously rotatingthe carriages in the same direction, a series of partible body blankmolds on the blank mold carriage, a series of partible finishing moldson the finishing mold carriage, an endless carrier surrounding said moldcarriages, a series of partible neck molds on said carrier,

and means for driving the'carrier and causing the neck molds to betransferred from one carriageto the other and into register with thebody blank and finishing molds in valternation.

said carriages and operable to transfer said neck molds from onecarriage to the other and into register with the body blank andfinishing molds in alternation, cups,- and means for positioning thecups periodicallyto cooperate with the neckmolds to form closed chambersenclosing blanks being transferred from the body blank to the finishingmolds. I

13. In a machine for molding glass articles, the combination of a blankmold, a finishing mold, means for causing the blank mold to travel in aclosed path, means for causing the finishing mold to travel in a closedpath located outside of and in substantially the same plane as saidfirst mentioned path, a transfer device, means for causing it to travelin a closed path embracing said first mentioned paths and havingportions coincident with-said first mentioned paths respectively,'andmeans cooperating with said transfer device for transferring a parisonfrom the blank mold to the finishing mold.

14. In a maehine'l'or forming glass articles, the combination of a blankmold, means for rotating it about a vertical axis, a finishing mold,means for rotating it about a separate vertical axis, with the path ofmovement of the finishing mold external to that of the blank mold, atransfer device, means. for moving sa d transfer device in'a pathembracing Sflld first mentioned paths'and tangent to one of said paths,and means (20-

